名词
中文翻译：承认的哨声同义词
同义词：
['acknowledged whistle', 'acknowledge whistle']
例句：
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1. The whistle was used to signal the start of the race.
哨声用于开始比赛的信号。
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2. The whistle blew before the game began.
比赛开始前，哨声响起。
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3. The whistle sounded like a warning that the game was about to begin.
哨声听起来像是比赛即将开始的警告。